Content of metals and organic acids from experimental sparkling white wine Mihai Cristian Focea, Camelia Elena Luchian, Ana Maria Moroşanu, Marius Niculaua, Valeriu V. Cotea, Gheorghe Odăgeriu and Cătălin Ioan Zamfir BIO Web Conf., 9 (2017) 02007 Published online: 04 July 2017 DOI: 10.1051/bioconf/20170902007